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Security audit

TokenLab Native Endpoints

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward TokenLab API endpoint guide with disclosed external API use and no hidden execution or persistence behavior.

Before installing, verify that you intend to use TokenLab and are comfortable sending prompts, request content, and API credentials to TokenLab endpoints when you invoke examples from this skill. For supply-chain hygiene, install from a reviewed commit or pinned package version rather than relying on a floating npx/GitHub reference.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (9)

Rp1

Medium
Category
MCP Rug Pull
Confidence
91% confidence
Finding

The README recommends installing and running a package via npx skills without pinning an exact version or immutable source, which can cause users to execute whatever version is current at install time. If the package or one of its resolution paths is compromised, users could unknowingly run attacker-controlled code during installation or skill setup.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 23)May include surrounding context.

md
## Endpoint families

- OpenAI-compatible chat: `POST https://api.tokenlab.sh/v1/chat/completions`
- OpenAI Responses: `POST https://api.tokenlab.sh/v1/responses`
- Anthropic Messages: `POST https://api.tokenlab.sh/v1/messages`
- Gemini native generate content: `POST https://api.tokenlab.sh/v1beta/models/{model}:generateContent`

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 24)May include surrounding context.

md
## Endpoint families

- OpenAI-compatible chat: `POST https://api.tokenlab.sh/v1/chat/completions`
- OpenAI Responses: `POST https://api.tokenlab.sh/v1/responses`
- Anthropic Messages: `POST https://api.tokenlab.sh/v1/messages`
- Gemini native generate content: `POST https://api.tokenlab.sh/v1beta/models/{model}:generateContent`

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 25)May include surrounding context.

md
## Endpoint families

- OpenAI-compatible chat: `POST https://api.tokenlab.sh/v1/chat/completions`
- OpenAI Responses: `POST https://api.tokenlab.sh/v1/responses`
- Anthropic Messages: `POST https://api.tokenlab.sh/v1/messages`
- Gemini native generate content: `POST https://api.tokenlab.sh/v1beta/models/{model}:generateContent`

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 26)May include surrounding context.

md
## Endpoint families

- OpenAI-compatible chat: `POST https://api.tokenlab.sh/v1/chat/completions`
- OpenAI Responses: `POST https://api.tokenlab.sh/v1/responses`
- Anthropic Messages: `POST https://api.tokenlab.sh/v1/messages`
- Gemini native generate content: `POST https://api.tokenlab.sh/v1beta/models/{model}:generateContent`

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 27)May include surrounding context.

md
## Endpoint families

- OpenAI-compatible chat: `POST https://api.tokenlab.sh/v1/chat/completions`
- OpenAI Responses: `POST https://api.tokenlab.sh/v1/responses`
- Anthropic Messages: `POST https://api.tokenlab.sh/v1/messages`
- Gemini native generate content: `POST https://api.tokenlab.sh/v1beta/models/{model}:generateContent`

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 28)May include surrounding context.

md
## Endpoint families

- OpenAI-compatible chat: `POST https://api.tokenlab.sh/v1/chat/completions`
- OpenAI Responses: `POST https://api.tokenlab.sh/v1/responses`
- Anthropic Messages: `POST https://api.tokenlab.sh/v1/messages`
- Gemini native generate content: `POST https://api.tokenlab.sh/v1beta/models/{model}:generateContent`

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 29)May include surrounding context.

md
## Endpoint families

- OpenAI-compatible chat: `POST https://api.tokenlab.sh/v1/chat/completions`
- OpenAI Responses: `POST https://api.tokenlab.sh/v1/responses`
- Anthropic Messages: `POST https://api.tokenlab.sh/v1/messages`
- Gemini native generate content: `POST https://api.tokenlab.sh/v1beta/models/{model}:generateContent`

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 30)May include surrounding context.

md
## Endpoint families

- OpenAI-compatible chat: `POST https://api.tokenlab.sh/v1/chat/completions`
- OpenAI Responses: `POST https://api.tokenlab.sh/v1/responses`
- Anthropic Messages: `POST https://api.tokenlab.sh/v1/messages`
- Gemini native generate content: `POST https://api.tokenlab.sh/v1beta/models/{model}:generateContent`